import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import User from '../components/user/User.vue'
import Rights from '../components/power/Rights.vue'
import Rolus from '../components/power/Rolus.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)

const routes = [
  { path:'/',redirect:'/login'},
  { path:'/login',component:Login},
  { path:'/home',component:Home,
    redirect:'/welcome',
    children:[
      {path:'/welcome',component:Welcome},
      {path:'/users',component:User},
      {path:'/rights',component:Rights},
      {path:'/roles',component:Rolus},
      {path:'/categories',component:Cate},
      { path: '/params', component: Params },
      { path: '/goods', component: GoodsList },
      { path: '/goods/add', component: Add },
      { path: '/orders', component: Order },
      { path: '/reports', component: Report }
    ]
  },
]

const router = new VueRouter({
  routes
})

router.beforeEach((to,from,next)=>{
  //to 将要访问的位置
  //from 从哪个位子来
  //next 可以放行
  //next()放行  next('/')强制跳转
  if(to.path === '/login') return next()

  const tokenStr = window.sessionStorage.getItem('token')
  if(!tokenStr) return next('/login')
  next()
})

export default router
